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  1. /*
  2.  * mesa 3-D graphics library
  3.  * Version:  6.5
  4.  *
  5.  * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
  6.  *
  7.  * Permission is hereby granted, free of charge, to any person obtaining a
  8.  * copy of this software and associated documentation files (the "Software"),
  9.  * to deal in the Software without restriction, including without limitation
  10.  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11.  * and/or sell copies of the Software, and to permit persons to whom the
  12.  * Software is furnished to do so, subject to the following conditions:
  13.  *
  14.  * The above copyright notice and this permission notice shall be included
  15.  * in all copies or substantial portions of the Software.
  16.  *
  17.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18.  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20.  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  21.  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22.  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23.  */
  24.  
  25. /**
  26.  * \file vbo_context.h
  27.  * \brief VBO builder module datatypes and definitions.
  28.  * \author Keith Whitwell
  29.  */
  30.  
  31.  
  32. /**
  33.  * \mainpage The VBO splitter
  34.  *
  35.  * This is the private data used internally to the vbo_split_prims()
  36.  * helper function.  Nobody outside the vbo_split* files needs to
  37.  * include or know about this structure.
  38.  */
  39.  
  40.  
  41. #ifndef _VBO_SPLIT_H
  42. #define _VBO_SPLIT_H
  43.  
  44. #include "vbo.h"
  45.  
  46.  
  47. /* True if a primitive can be split without copying of vertices, false
  48.  * otherwise.
  49.  */
  50. GLboolean split_prim_inplace(GLenum mode, GLuint *first, GLuint *incr);
  51.  
  52. void vbo_split_inplace( struct gl_context *ctx,
  53.                         const struct gl_client_array *arrays[],
  54.                         const struct _mesa_prim *prim,
  55.                         GLuint nr_prims,
  56.                         const struct _mesa_index_buffer *ib,
  57.                         GLuint min_index,
  58.                         GLuint max_index,
  59.                         vbo_draw_func draw,
  60.                         const struct split_limits *limits );
  61.  
  62. /* Requires ib != NULL:
  63.  */
  64. void vbo_split_copy( struct gl_context *ctx,
  65.                      const struct gl_client_array *arrays[],
  66.                      const struct _mesa_prim *prim,
  67.                      GLuint nr_prims,
  68.                      const struct _mesa_index_buffer *ib,
  69.                      vbo_draw_func draw,
  70.                      const struct split_limits *limits );
  71.  
  72. #endif
  73.